Patent · US Expired

Developer composition for lithographic printing plates

US4271261A · kind A · utility

12Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1979
Grant dateJun 2, 1981
Priority date
Expiry dateDec 21, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/32
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developer composition for a lithographic printing plate provided with a coated layer composed of a photosensitive polymer having in the main chain thereof groups of formula (I) ##STR1## wherein X and Y independently represent hydrogen, halogen, cyano or nitro, and n is an integer of 1 or 2, comprising ethylene glycol monophenyl ether and at least one acid selected from the group consisting of a mineral acid, an organic carboxylic acid and an organic sulfonic acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.